The factors of the number 247,722,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2081, 2480, 2976, 3720, 3840, 3968, 4162, 4960, 5952, 6243, 7440, 7936, 8324, 9920, 10405, 11904, 12486, 14880, 16648, 19840, 20810, 23808, 24972, 29760, 31215, 33296, 39680, 41620, 49944, 59520, 62430, 64511, 66592, 83240, 99888, 119040, 124860, 129022, 133184, 166480, 193533, 199776, 249720, 258044, 266368, 322555, 332960, 387066, 399552, 499440, 516088, 532736, 645110, 665920, 774132, 799104, 967665, 998880, 1032176, 1290220, 1331840, 1548264, 1598208, 1935330, 1997760, 2064352, 2580440, 2663680, 3096528, 3870660, 3995520, 4128704, 5160880, 6193056, 7741320, 7991040, 8257408, 10321760, 12386112, 15482640, 16514816, 20643520, 24772224, 30965280, 41287040, 49544448, 61930560, 82574080, 123861120, 247722240.
If you add them up, you will get the total of 817,076,736.